Art of Problem Solving

2005 AMC 12B Problems/Problem 20: Difference between revisions

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== Problem ==
== Problem ==
Let <math>a,b,c,d,e,f,g</math> and <math>h</math> be distinct elements in the set <math>\{-7,-5,-3,-2,2,4,6,13\}.</math>
What is the minimum possible value of <math>(a+b+c+d)^{2}+(e+f+g+h)^{2}?</math>
<math>
\mathrm{(A)}\ 30    \qquad
\mathrm{(B)}\ 32    \qquad
\mathrm{(C)}\ 34    \qquad
\mathrm{(D)}\ 40    \qquad
\mathrm{(E)}\ 50
</math>


== Solution ==
== Solution ==

Revision as of 14:10, 4 February 2011

Problem

Let $a,b,c,d,e,f,g$ and $h$ be distinct elements in the set $\{-7,-5,-3,-2,2,4,6,13\}.$

What is the minimum possible value of $(a+b+c+d)^{2}+(e+f+g+h)^{2}?$

$\mathrm{(A)}\ 30     \qquad \mathrm{(B)}\ 32     \qquad \mathrm{(C)}\ 34     \qquad \mathrm{(D)}\ 40     \qquad \mathrm{(E)}\ 50$

Solution

See also